Remove server-specific Tor SLS as they as specific settings are integrated in common Tor SLS using jinja
Remove server-specific call to Tor SLS, as they are integrated in common SLS using jinja
Introduce changes in common Tor SLS for the creation of the Tor hidden service:
  * Add the creation of the hidden service directory (to contain service name and private key) under grains condition using jinja in SLS file
  * Use jinja template for torrc for conditionary inclusion of hidden service configuration and added appropriate statement in SLS file